Finding the Fourth Proportional to 31,274,323.97, 46,870,630.20 and 17,440,730.66
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Solution
The fourth proportional to 31,274,323.97, 46,870,630.20 and 17,440,730.66 is: 26,138,311.99
Step by Step Solution
- Step 1: Write the proportion equation
31,274,323.97 : 46,870,630.20 = 17,440,730.66 : x - Step 2: Convert to fraction form
31,274,323.97/46,870,630.20 = 17,440,730.66/x - Step 3: Cross multiply
31,274,323.97x = 46,870,630.20 × 17,440,730.66 - Step 4: Simplify right side
31,274,323.97x = 817,458,037,182,662 - Step 5: Solve for x
x = 817,458,037,182,662/31,274,323.97 - Step 6: Final answer
x = 26,138,311.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.